Re: [TowerTalk] Fwd: Grounding of tower

[Jim Lux <jimlux@earthlink.net>]

On 5/10/13 8:24 AM, Jim Brown wrote:
> On 5/10/2013 6:34 AM, Jim Lux wrote:
> > So if you're driving 30 rods as part of your antenna farm,
> But we do NOT want a connection to earth as part of TX antenna systems
> -- the earth is quite lossy, so RF current flowing in the earth WASTES
> transmitter power.  The function of a radial system is to SHIELD the EM
> field produced by the antenna from the lossy earth, so that return
> current flows in low resistance WIRE rather than the lossy earth.
this is certainly true, but "de gustibus non disputandum"... If you DO 
want to drive a bunch of rods (maybe you have a sister who works for 
Hilti and needs testing of new rotohammers)...


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